Başlık için Kimya Bölümü listeleme
Toplam kayıt 197, listelenen: 61-80
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Eco-Friendly Synthesis and Characterization of Reduced Graphene Oxide
(Iop Publishing Ltd, 2017)Graphene is a single sheet of sp(2) bonded carbon having a two-dimensional (2D) layer. It has remarkable electronic, mechanical and thermal properties. In this paper, the graphene oxide (GO) was reduced by reducing chemicals ... -
The effect of Al3+ concentration on the properties of alumina powders obtained by reaction between aluminium sulphate and urea in boiling aqueous solution
(Elsevier Sci Ltd, 2002)Homogeneous precipitation of alumina precursors was carried out in boiling aqueous solutions that contained excess urea and 0.010 0.200 M Al3+. The obtained precursor precipitates were dried for 2 h at 100 C to yield ... -
Effect of polycondensation reaction conditions on the properties of thermotropic liquid-crystalline copolyester
(Taylor & Francis Inc, 2008)In this study a range of wholly aromatic copolyesters based on kink m-acetoxybenzoic acid (m-ABA) monomer (33 mol%) and equimolar-linear p-acetoxybenzoic acid (p-ABA), hydroquinone diacetate (HQDA) and terephthalic acid ... -
The effect of preparation procedure for precursor on the morphology, surface area and porosity of alumina powders
(Asian Journal Of Chemistry, 2008)In order to investigate the effect of preparation procedure for precursors on some physico-chemical properties of powders, three alumina precursors were prepared by different ways. The first precursor (P1) was precipitated ... -
Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil
(2018)In this study, bacterial strains, capable of using TNT as a nitrogen source, were isolated from TNT-contaminated soil samples collected from military region in Kırıkkale, Turkey. We selected three strains that showed the ... -
Effects of solvent and copper-doping on polyaniline conducting polymer and its application as a counter electrode for efficient and cost-effective dye-sensitized solar cells
(Elsevier Science Sa, 2016)In this study, the synthesis of Copper-doped polyaniline (NPANI-Cu-X) was performed in the following solvents: H2O, DMF, DO, THF, ACTN and ACN, and then the solvent effects on the formation of NPANI-Cu-X (X represents the ... -
Efficient Removal of Acidic Dye Using Low-Cost Biocomposite Beads
(Amer Chemical Soc, 2013)The objective of this study is to prepare and characterize chitosan/zeolite biocomposite beads and utilize them as adsorbent for removal of anionic dye, Acid Black 194 (AB194). Characterization studies of biocomposite beads ... -
Efficient Two Step Synthesis for Trimethylsiloxy-Functionalized New Polymers
(Springer, 2019)We have presented an efficient strategy for the synthesis of trimethylsiloxy end-functionalized new polymers using ring-opening metathesis polymerization with ruthenium initiator, [(PCy3)(2)Cl2Ru=CHPh]. The key steps for ... -
Electrocatalytic Oxidation of Hydrazine on Poly(4-Aminobenzene Sulfonic Acid)-Modified Glassy Carbon Electrode (vol 52, pg 539, 2016)
(Maik Nauka/Interperiodica/Springer, 2016)… -
Electrochemical copper (II) sensor based on chitosan covered gold nanoparticles
(Springer, 2014)This study outlines a new sensing platform based on glassy carbon electrodes modified by gold nanoparticles (AuNPs) for the determination of heavy metal. A glassy carbon electrode was modified by chitosan stabilized AuNPs. ... -
Electrochemical polymerization of 2-aminothiazole
(Springer, 2011)Electrochemical polymerization of 2-aminothiazole (AT) was studied in acetonitrile with tetrabutylammonium tetrafluoroborate (TBAFB) as the supporting electrolyte via constant potential electrolysis (CPE). The redox behavior ... -
Electrochemical polymerization of 4-allyl-1,2-dimethoxybenzene
(Elsevier Science Bv, 2004)Redox behaviour of 4-allyl-1,2-dimethoxybenzene (DMAB) was studied by using cyclic voltammetry and electro-chemical polymerization was conducted at the measured peak potential. Constant potential electrolysis of the monomer ... -
Electrochemical reduction of NAP on the glassy carbon electrodes modified with aromatic diazonium salts
(Bentham Science Publ Ltd, 2008)The electrochemical reduction of 4-{[(1E)-(2-hydroxynaphthyl)methylidene]amino}-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one (NAP) was studied by using cyclic voltammetry in acetonitrile media at a glassy carbon (GC) ... -
Entrapment of Lentinus sajor-caju into Ca-alginate gel beads for removal of Cd(II) ions from aqueous solution: preparation and biosorption kinetics analysis
(Elsevier Science Bv, 2002)A white rot fungus species Lentinus sajor-caju biomass was entrapped into alginate gel via a liquid curing method in the presence of Ca(II) ions. The biosorption of cadmium(II) by the entrapped live and dead fungal biomass ... -
Enzymatic removal of phenol and p-chlorophenol in enzyme reactor: Horseradish peroxidase immobilized on magnetic beads
(Elsevier Science Bv, 2008)Horseradish peroxidase was immobilized on the magnetic poly(glycidylmethacrylate-co-methylmethacrylate) (poly(GMA-MMA)), via covalent bonding and used for the treatment of phenolic wastewater in continuous systems. For ... -
Evaluation of lysozyme adsorptive behaviour of pHEMA-based affinity membranes related to the surface energy and its components to be used in chromatographic fields
(Elsevier, 2004)We have studied the influence of the surface energy and its components of two different dye-ligand immobilised poly(hydroxyethylmethacrylate) (pHEMA) membranes to the adsorption of a protein "lysozyme" from aqueous solutions. ... -
Exploring on Photovoltaic Performance of Dye-Sensitized Solar Cells Using Polyaniline as a Counter Electrode: Role of Aluminum-Solvent Interactions
(Ieee-Inst Electrical Electronics Engineers Inc, 2017)In this work, we successfully synthesized aluminumdoped polyaniline in various solvent media using chemical oxidation polymerization, and for the first time, investigated their applications as counter electrode (CE) in ... -
Fabrication and characterization of gold-nanoparticles/chitosan film: a scaffold for L929-fibroblasts
(Taylor & Francis Ltd, 2013)The objective of the present study was to fabricate a gold nanoparticle crosslinked chitosan (Ch/AuNPs) composite film simple and to evaluate its use as a carrier matrix for L929-fibroblasts. L929-fibroblasts were seeded ... -
Fabrication of a kappa-carrageenan-based electroactive cytochrome c multilayer thin film by an electrostatic layer-by-layer assembly
(Elsevier Science Sa, 2019)The aim of this study was to demonstrate the usability of kappa-carrageenan in the accumulation of a layer by layer protein film on a gold electrode. It is known that in terms of bioelectronics there are significant ... -
Factorial Design Optimization of Solid-Phase Microextraction for High-Performance Liquid Chromatography-Ultraviolet Spectrometry Analysis of Polycyclic Aromatic Hydrocarbons in Cigarette Filter Tar
(Taylor & Francis Ltd, 2014)A simple and rapid procedure for the determination of polycyclic aromatic hydrocarbons (PAHs) in cigarette filter tar using solid-phase microextraction (SPME) was developed. The analysis was carried out using high-performance ...
